pi-scripts/grid-calc at fdd1212e6854a604418d9a449b92f9e8cbd21c0e · km4ack/pi-scripts · GitHub

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#!/bin/bash

#GUI interface for wwl command line application
#wwl was written by VA3DB
#17FEB2021 KM4ACK

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##################################################################

VERSION=1
LOGO=/usr/share/icons/PiXflat/48x48/apps/gnome-calculator.png

###########################
#	Menu Shortcut
###########################
MENUITEM(){
cat > /run/user/$UID/grid-calc.desktop <<EOF
[Desktop Entry]
Name=Grid Calc
GenericName=Check distance and bearing between 2 grids
Comment=Check distance and bearing between 2 grids
Exec=$HOME/bin/grid-calc
Icon=/usr/share/icons/gnome/32x32/apps/kcalc.png
Terminal=false
Type=Application
Categories=Utility;HamRadio
EOF

sudo mv /run/user/$UID/grid-calc.desktop /usr/share/applications/
}
if [ ! -f /usr/share/applications/grid-calc.desktop ]; then
MENUITEM
echo "Menu shortcut created for grid-calc"
echo "Start grid-calc from the pi menu"
exit 0
fi

###########################
#	Install Depends
###########################
INSTALL(){
yad --form --width=420 --text-align=center --center --title="Grid Calc" \
--image $LOGO --window-icon=$LOGO --image-on-top --separator="|" --item-separator="|" \
--text="<b>Grid Calc v $VERSION</b>\rDependencies missising!\rInstall now?" \
--button="Install Dependencies":2 \
--button="Exit":1
BUT=$?
if [ $BUT = 1 ] || [ $BUT = 252 ]; then
exit
elif [ $BUT = 2 ]; then
sudo apt update | yad --center --progress --pulsate --auto-close --no-buttons --text-align=center --title="Grid Calc" \
--text="Updateing Repository....This may take a few minutes\r<b>DO NOT CLOSE THIS WINDOW</b>\rDoing so will abort the process.\rThis window will auto close when the process completes"

sudo apt install -y wwl bc | yad --center --progress --pulsate --auto-close --no-buttons --text-align=center --title="Grid Calc" \
--text="Getting Depends....This may take a few minutes\r<b>DO NOT CLOSE THIS WINDOW</b>\rDoing so will abort the download.\rThis window will auto close when the process completes"

fi
}

if ! hash yad 2>/dev/null; then
INSTALL
fi

if ! hash bc 2>/dev/null; then
INSTALL
fi

if ! hash wwl 2>/dev/null; then
INSTALL
fi

###########################
#	Main Application
###########################
CALC(){
GRIDS=$(yad --form --width=420 --text-align=center --center --title="Grid Calc" \
--image $LOGO --window-icon=$LOGO --image-on-top --separator="|" --item-separator="|" \
--text="<b>Grid Calc v $VERSION</b>\rEnter the two grids\rto be calculated" \
--field="Your Grid" \
--field="Other Grid" \
--button="Continue":2 \
--button="Exit":1)
BUT=$?

if [ $BUT = 252 ] || [ $BUT = 1 ]; then
exit
fi

MYGRID=$(echo $GRIDS | awk -F "|" '{print $1}')
GRID2=$(echo $GRIDS | awk -F "|" '{print $2}')

RESULTS=$(wwl $MYGRID $GRID2)
DISTANCE=$(echo $RESULTS | awk '{print $2}')
DEGREES=$(echo $RESULTS | awk '{print $5}')
#MILES=$(bc -l <<< "$DISTANCE*.6213712" | cut -c 1-5)
MILES=$(bc -l <<< "$DISTANCE*.6213712" | xargs printf "%.2f\n")

yad --form --width=420 --text-align=center --center --title="Grid Calc" \
--image $LOGO --window-icon=$LOGO --image-on-top --separator="|" --item-separator="|" \
--text="<b>Grid Calc v $VERSION</b>\rRESULTS" \
--field="Distance is $DISTANCE Kilometers or $MILES Miles":LBL \
--field="Bearing is $DEGREES Degrees":LBL \
--button="Calulate Another":2 \
--button="Exit":1
BUT=$?
if [ $BUT = 1 ] || [ $BUT = 252 ]; then
exit
elif [ $BUT = 2 ]; then
CALC
fi

}
CALC